Sumi palette
Cardamom Delta
Dark anchor, working middle, light release: #900041, #c63466, #e65380, #ec7091, #ff97b0 form a tetradic sumi set with somewhere to stand at every lightness. Made for book covers that read at thumbnail size. The darkest and lightest stops clear AA as a text pair.
pinksumifive-stophigh-contrast
#900041
#c63466
#e65380
#ec7091
#ff97b0
The generator opens with #900041 as the primary and the next two stops as secondary and accent — adjust, check contrast, and export tokens or CSS from there.